cerebrospinal nervous system

noun

: the portion of the nervous system in vertebrates comprising the brain, cranial nerves, spinal cord, and the spinal nerves concerned with transmission of impulses from sense organs to the voluntary muscles compare autonomic nervous system

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!